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36 lines
812 B
Docker
36 lines
812 B
Docker
FROM scratch
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ADD rootfs.tar.xz /
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# environment variables
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ENV FORCE_CONTAINER_REMOVAL=1 \
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FORCE_IMAGE_REMOVAL=1
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RUN \
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echo "**** install build packages ****" && \
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apk add --no-cache --virtual=build-dependencies \
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git && \
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echo "**** install runtime packages ****" && \
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apk add --no-cache \
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bash \
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docker && \
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echo "**** fetch latest ver of docker-gc script ****" && \
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git clone https://github.com/spotify/docker-gc /tmp/docker-gc && \
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echo "**** link docker executable, copy and make docker-gc executable ****" && \
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ln -s /usr/bin/docker \
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/bin/docker && \
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cp /tmp/docker-gc/docker-gc /docker-gc && \
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chmod +x \
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/docker-gc && \
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echo "**** cleanup ****" && \
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apk del --purge \
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build-dependencies && \
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rm -rf \
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/tmp/*
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# volumes
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VOLUME /var/lib/docker-gc
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# run command
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CMD ["/docker-gc"]
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